CN208111358U - A kind of high power DC relay - Google Patents
A kind of high power DC relay Download PDFInfo
- Publication number
- CN208111358U CN208111358U CN201820655154.8U CN201820655154U CN208111358U CN 208111358 U CN208111358 U CN 208111358U CN 201820655154 U CN201820655154 U CN 201820655154U CN 208111358 U CN208111358 U CN 208111358U
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- spring
- contact
- dynamic spring
- movable contact
- stationary contact
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Abstract
The utility model discloses a kind of high power DC relays, it includes shell, transmission component, quiet spring and the dynamic spring being set in the housing, the quiet spring is equipped with stationary contact, the dynamic spring is equipped with movable contact, the output end of the transmission component is connect with dynamic spring, the movable contact on dynamic spring is pushed to move towards the stationary contact on quiet spring, it further include one group of flexibility arc protection component, the flexibility arc protection component is set between stationary contact and movable contact, it connects with dynamic spring, and is moved under the action of transmission component to outside the both ends of dynamic spring by dynamic spring；When movable contact and stationary contact separate, flexible arc protection component movement is between movable contact and stationary contact, realizing arc extinguishing and isolation electric arc.The utility model structure is simple, realizes the electric arc that go out automatically relay movable contact and stationary contact generate, and improves the service life of relay.
Description
Technical field
The utility model relates to adaptive polarizing memory voltage time constant technical fields, more particularly, to a kind of high power DC relay.
Background technique
During use, when opening and closing of moving contact and static contact, can generate electric arc to relay, and electric arc electric arc
It is a kind of gas discharge phenomenon, electric current passes through moment spark caused by certain dielectrics (such as air).Electric arc can to after
The contact of electric appliance causes to be lost, and causes the service life of relay greatly to shorten, increases use cost.Existing arc extinguishing side
Method has the distance built vacuum environment, increase dynamic and static contact, increases arc-chute, filling inert gas, the mobile speed for improving dynamic spring
Degree, with the methods of magnetic blow-out, these methods, which have, increases that relay volume, manufacture is cumbersome, reduces the sensitivity of relay or significantly
Increase the defect of manufacturing cost.
Utility model content
Insufficient according to prior art, the purpose of the utility model is to provide a kind of high power DC relay, structure letters
Electric arc that is single, realizing go out automatically relay movable contact and stationary contact generation, improves the service life of relay.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of high power DC relay, it includes shell, transmission component, quiet spring and the dynamic spring being set in the housing, described
Quiet spring is equipped with stationary contact, and the dynamic spring is equipped with movable contact, and the output end of the transmission component is connect with dynamic spring, pushes dynamic spring
On movable contact towards on quiet spring stationary contact movement, further include flexible arc protection component, it is described flexibility arc protection component be set to
Between stationary contact and movable contact, connected with dynamic spring, and by dynamic spring under the action of transmission component to outside the both ends of dynamic spring
It is mobile；
When movable contact and stationary contact separate, flexible arc protection component movement between movable contact and stationary contact, go out by realization
Arc and isolation electric arc.
When transmission component, which drives dynamic spring to move backward, separates movable contact and stationary contact, flexible arc protection component movement is extremely
It between movable contact and stationary contact, realizes arc extinguishing and the effect of electric arc is isolated, when transmission component drives dynamic spring forward movement to make touching
Point and when stationary contact point contact, flexible arc protection component moves under the extruding of dynamic spring to outside dynamic spring both ends, leaves movable contact and quiet
Between contact and move to the lower section of dynamic spring.
Further, the transmission component includes decelerating motor, worm screw, turbine, gear and rack gear, the decelerating motor it is defeated
Outlet is connect with worm screw, and the worm screw engages connection with turbine, and the gear is connect by shaft with turbine, the gear and tooth
Item engagement connection, the rack gear are connect with dynamic spring.
Further, the flexible arc protection component includes partition and spring, and one end of the spring is connect with shell, described
The other end of spring is connect with partition, and the partition and dynamic spring connect.
Further, the partition includes the triangle contact block and fix with triangle contact block that a cross section is triangle
The rectangular clapboard of connection, the rectangular clapboard are set between movable contact and stationary contact, and one end is connect with spring, the triangle
One inclined-plane of contact block is contacted with dynamic spring end, is displaced outwardly under the promotion of dynamic spring.When movable contact and stationary contact point contact, square
The top of shape partition is connect with the two sides of dynamic spring, and plane-plane contact increases stability.
Further, flexible arc protection component does not do linear motion up and down in moving process in order to prevent, in the shell
Equipped with limit assembly, the limit assembly includes fixed plate and the elastic spacing plate connecting with fixed plate, the elastic spacing plate
It is connect with flexible arc protection component touch.
Further, for the ease of the coefficient of friction of reduction elastic spacing plate and flexible arc protection component, the elastic spacing
The one side of plate and flexible arc protection component touch is arc.
Further, flexible arc protection component is stuck between adjacent elastic spacing plate in order to prevent, the adjacent elasticity
The distance between limit plate is greater than the height of flexible arc protection component.
Movable contact and stationary contact separated position, partition are between movable contact and stationary contact, play the role of isolation, when subtracting
Speed motor energization main story, the rotation of decelerating motor drive worm screw rotation, and worm screw drives turbine connection, and turbine rotation drives shaft to connect
It connects, described to turn shaft driven gear connection, the gear band carry-over bar moves horizontally, and rack drives are moved spring and moved horizontally, and dynamic spring pushes away
Dynamic triangle contact block is mobile to shell side, realizes movable contact and stationary contact point contact；When decelerating motor inverts, decelerating motor turns
Dynamic to drive worm screw rotation, worm screw drives turbine connection, and turbine rotation drives shaft connection, described to turn shaft driven gear connection, institute
It states gear band carry-over bar to move horizontally, the movable contact and stationary contact separate, and the elasticity of spring realizes that partition is returned to original position, insert
Enter between stationary contact and movable contact, plays the role of arc extinguishing and isolation.
The beneficial effects of the utility model are：By moving the connection of spring and flexible arc protection component, in the dynamic touching of dynamic spring
Point during, moves extruding of the both ends to the triangle contact block of flexible arc protection component of spring to stationary contact, make its to
Shell side is mobile, realizes dynamic and static contact contact；The movable contact of dynamic spring far from stationary contact close to during, due to spring
Effect resets partition, between movable contact and stationary contact, plays the role of arc extinguishing and isolation；The utility model structure is simple,
It realizes the electric arc that go out automatically relay movable contact and stationary contact generate, improves the service life of relay.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is that the utility model moves state diagram in spring moving process；
State diagram when Fig. 3 is the utility model movable contact, stationary contact point contact.
In figure：1- shell；2- transmission component；20- decelerating motor；21- worm screw；22- turbine；23- gear；24- rack gear；
25- shaft；The quiet spring of 3-；4- moves spring；5- stationary contact；6- movable contact；7- flexibility arc protection component；70- partition；700- triangle connects
Contact block；701- rectangular clapboard；71- spring；8- limit assembly；80- fixed plate；81- elastic spacing plate.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
A kind of high power DC relay as shown in Figs. 1-3, it includes shell 1, transmission component 2 in shell 1,
Quiet spring 3 and dynamic spring 4, the quiet spring 3 be equipped with stationary contact 5, the dynamic spring 4 be equipped with movable contact 6, the transmission component 2 it is defeated
Outlet is connect with dynamic spring 4, and the movable contact 6 on dynamic spring 4 is pushed to move towards the stationary contact 5 on quiet spring 3, it is characterised in that：Also wrap
Flexible arc protection component 7 is included, the flexibility arc protection component 7 is set between stationary contact 5 and movable contact 4, with dynamic 4 company of contact of spring
It connects, and is moved under the action of transmission component 2 to outside the both ends of dynamic spring 4 by dynamic spring 4；
When transmission component 2, which drives dynamic spring 4 to move backward, separates movable contact 6 and stationary contact 5, flexible arc protection component 7
It moves between movable contact 6 and stationary contact 5, flexible arc protection component 7 realizes arc extinguishing and isolation electric arc；When transmission component 2 drives
When the dynamic forward movement of spring 4 contacts movable contact 6 and stationary contact 5, flexible arc protection component 7 is under the extruding of dynamic spring 4 to 4 liang of dynamic spring
End is outer mobile, leaves between movable contact 6 and stationary contact 5 and move to the lower section of dynamic spring 4.
Transmission component 2 includes decelerating motor 20, worm screw 21, turbine 22, gear 23 and rack gear 24, the output of decelerating motor 20
End is connect with worm screw 21, and worm screw 21 engages connection with turbine 22, and gear 23 is connect by shaft 25 with turbine 22, gear 23 and tooth
The engagement connection of item 24, rack gear 24 are connect with dynamic spring 4.
Flexible arc protection component 7 includes partition 70 and spring 71, and one end of spring 71 connect with shell 1, spring 71 it is another
One end is connect with partition 70, and partition 70 and dynamic spring 4 connect.
The partition 70 includes the triangle contact block 700 that a cross section is triangle and consolidates with triangle contact block 700
Surely the rectangular clapboard 701 connected, the rectangular clapboard 701 are set between movable contact 6 and stationary contact 5, and one end and spring 71 connect
It connects, an inclined-plane of the triangle contact block 700 is contacted with the end of dynamic spring 4, is displaced outwardly under the promotion of dynamic spring 4.
Limit assembly 8 is equipped in shell 1, limit assembly 8 includes fixed plate 80 and the elastic spacing connecting with fixed plate 80
Plate 81, elastic spacing plate 81 and flexible arc protection component 7 connect, and the side of elastic spacing plate 81 and rectangular clapboard 701 connects
It connects, prevents partition 70 from oblique line or curvilinear motion occurring in the case where dynamic spring 4 squeezes, guarantee its up and down motion.
The one side that elastic spacing plate 81 is contacted with flexible arc protection component 7 is arc, reduces elastic spacing plate 81 and rectangle
The frictional force of partition 701.
The distance between adjacent elastic spacing plate 81 is greater than the height of flexible arc protection component 7.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of high power DC relay, it includes shell (1), be set to shell (1) in transmission component (2), quiet spring (3) and
Dynamic spring (4), the quiet spring (3) are equipped with stationary contact (5), and the dynamic spring (4) is equipped with movable contact (6), the transmission component (2)
Output end connect with dynamic spring (4), push movable contact (6) on dynamic spring (4) towards stationary contact (5) movement on quiet spring (3),
It is characterized in that：It further include flexible arc protection component (7), the flexibility arc protection component (7) is set to stationary contact (5) and movable contact
(6) it between, is connected with dynamic spring (4), and by moving outside the both ends of spring (4) under the action of transmission component (2) to dynamic spring (4)
It is mobile；
When movable contact (6) and stationary contact (5) separate, flexible arc protection component (7) moves to movable contact (6) and stationary contact (5)
Between, realize arc extinguishing and isolation electric arc.
2. a kind of high power DC relay according to claim 1, it is characterised in that：The transmission component (2) includes
Decelerating motor (20), worm screw (21), turbine (22), gear (23) and rack gear (24), the output end of the decelerating motor (20) with
Worm screw (21) connection, the worm screw (21) engage connection with turbine (22), and the gear (23) passes through shaft (25) and turbine
(22) it connects, the gear (23) engages connection with rack gear (24), and the rack gear (24) connect with dynamic spring (4).
3. a kind of high power DC relay according to claim 1, it is characterised in that：The flexibility arc protection component
It (7) include partition (70) and spring (71), one end of the spring (71) is connect with shell (1), and the other end and partition (70) are even
It connects, the partition (70) and dynamic spring (4) connect.
4. a kind of high power DC relay according to claim 3, it is characterised in that：The partition (70) includes one horizontal
Section is the triangle contact block (700) of triangle and the rectangular clapboard (701) that is fixedly connected with triangle contact block (700),
The rectangular clapboard (701) is set between movable contact (6) and stationary contact (5), and one end is connect with spring (71), the triangle
One inclined-plane of contact block (700) is contacted with the end of dynamic spring (4), is displaced outwardly under the promotion of dynamic spring (4).
5. a kind of high power DC relay according to claim 1, it is characterised in that：Limit is equipped in the shell (1)
Hyte part (8), the limit assembly (8) include fixed plate (80) and several elastic spacing plates for connecting with fixed plate (80)
(81), the elastic spacing plate (81) and flexible arc protection component (7) connect.
6. a kind of high power DC relay according to claim 5, it is characterised in that：The elastic spacing plate (81) with
The one side of flexible arc protection component (7) contact is arc.
7. a kind of high power DC relay according to claim 5, it is characterised in that：The adjacent elastic spacing plate
The distance between (81) it is greater than the height of flexible arc protection component (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820655154.8U CN208111358U (en) | 2018-05-04 | 2018-05-04 | A kind of high power DC relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820655154.8U CN208111358U (en) | 2018-05-04 | 2018-05-04 | A kind of high power DC relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208111358U true CN208111358U (en) | 2018-11-16 |
Family
ID=64114137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820655154.8U Active CN208111358U (en) | 2018-05-04 | 2018-05-04 | A kind of high power DC relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208111358U (en) |
-
2018
- 2018-05-04 CN CN201820655154.8U patent/CN208111358U/en active Active
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